package com.caiyj.observe.demo3;

/**
 * @Description:
 * @author:CAIYJ
 * @Date:2018/12/14 20:56
 */
public class Application {
    public static void main(String[] args) {
        ConcreteSubject subject = new ConcreteSubject();
        ConcreteObserver observer = new ConcreteObserver(subject);
        subject.setMess("11111");
    }
}
